vote" with 40 days to go. and president obama has opened up his biggest lead yet in gallup's daily poll, six points. that puts more pressure than ever on mitt romney. and david muir had a chance to talk to him late yesterday in ohio. good morning, david. >> reporter: good morning, george. that gallup tracking poll will be a concern for the romney campaign. that's the poll they've been pointing to make the case this is still a dead heat race. but the president taking the lead in that poll, as well. we asked the governor about these poll numbers as a new ad comes out this morning from the president. he's trying to keep that lead. >> read my plan. >> reporter: this morning, a rare and new two-minute pitch. a new ad from president obama, up in 17 battleground states, as he tries to shape the final weeks of this quickly shifting race. >> there will be debates, speeches and more ads. but if i could sit down with you in your living room or around the kitchen table, here's what i'd say. >> reporter: it comes as the president is buoyed by strong poll numbers in crucial states, ohio and florida.